﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Catering_DBOpertion;
using System.Data;
using System.Data.SqlClient;

namespace Catering_Operation
{
    public class library_Dish
    {
        #region  Method

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId()
        {
            return DbHelperSQL.GetMaxID("id", "library_Dish");
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from library_Dish");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
};
            parameters[0].Value = id;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Catering_Model.library_Dish model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into library_Dish(");
            strSql.Append("DishID,DishTypeID,libraryID,temp1,temp2)");
            strSql.Append(" values (");
            strSql.Append("@DishID,@DishTypeID,@libraryID,@temp1,@temp2)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@DishID", SqlDbType.Int,4),
                    new SqlParameter("@DishTypeID", SqlDbType.Int,4),
					new SqlParameter("@libraryID", SqlDbType.Int,4),
					new SqlParameter("@temp1", SqlDbType.VarChar,100),
					new SqlParameter("@temp2", SqlDbType.VarChar,100)};
            parameters[0].Value = model.DishID;
            parameters[1].Value = model.DishTypeID;
            parameters[2].Value = model.libraryID;
            parameters[3].Value = model.temp1;
            parameters[4].Value = model.temp2;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Catering_Model.library_Dish model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update library_Dish set ");
            strSql.Append("DishID=@DishID,");
            strSql.Append("DishTypeID=@DishTypeID,");
            strSql.Append("libraryID=@libraryID,");
            strSql.Append("temp1=@temp1,");
            strSql.Append("temp2=@temp2");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@DishID", SqlDbType.Int,4),
                    new SqlParameter("@DishTypeID", SqlDbType.Int,4),
					new SqlParameter("@libraryID", SqlDbType.Int,4),
					new SqlParameter("@temp1", SqlDbType.VarChar,100),
					new SqlParameter("@temp2", SqlDbType.VarChar,100),
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = model.DishID;
            parameters[1].Value = model.DishTypeID;
            parameters[2].Value = model.libraryID;
            parameters[3].Value = model.temp1;
            parameters[4].Value = model.temp2;
            parameters[5].Value = model.id;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int id)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from library_Dish ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
};
            parameters[0].Value = id;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool DeleteList(string idlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from library_Dish ");
            strSql.Append(" where id in (" + idlist + ")  ");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Catering_Model.library_Dish GetModel(int id)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 id,DishID,DishTypeID,libraryID,temp1,temp2 from library_Dish ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
};
            parameters[0].Value = id;

            Catering_Model.library_Dish model = new Catering_Model.library_Dish();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["id"].ToString() != "")
                {
                    model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
                }
                if (ds.Tables[0].Rows[0]["DishID"].ToString() != "")
                {
                    model.DishID = int.Parse(ds.Tables[0].Rows[0]["DishID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["libraryID"].ToString() != "")
                {
                    model.libraryID = int.Parse(ds.Tables[0].Rows[0]["libraryID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["temp1"] != null)
                {
                    model.temp1 = ds.Tables[0].Rows[0]["temp1"].ToString();
                }
                if (ds.Tables[0].Rows[0]["temp2"] != null)
                {
                    model.temp2 = ds.Tables[0].Rows[0]["temp2"].ToString();
                }
                return model;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select id,DishID,DishTypeID,libraryID,temp1,temp2 ");
            strSql.Append(" FROM library_Dish ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" id,DishID,DishTypeID,libraryID,temp1,temp2 ");
            strSql.Append(" FROM library_Dish ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取符合要求的菜品总数
        /// </summary>
        /// <param name="libraryID">菜谱ID</param>
        /// <param name="AID">区域ID</param>
        /// <returns>返回符合要求的菜品总数</returns>
        public int GetDishCountByLibraryID(int libraryID, int AID)
        {
            SqlParameter[] parms = new SqlParameter[]{
                new SqlParameter("@libraryID",libraryID),
                new SqlParameter("@AID",AID),
                new SqlParameter("@count",SqlDbType.Int){ Direction=ParameterDirection.Output}
            };
            DbHelperSQL.RunProcedure("Proc_Dish_GetDishCountBylibraryID", parms);
            return Convert.ToInt32(parms[parms.Count() - 1].Value);
        }

        /*
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        {
            SqlParameter[] parameters = {
                    new SqlParameter("@tblName", SqlDbType.VarChar, 255),
                    new SqlParameter("@fldName", SqlDbType.VarChar, 255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount", SqlDbType.Bit),
                    new SqlParameter("@OrderType", SqlDbType.Bit),
                    new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
                    };
            parameters[0].Value = "library_Dish";
            parameters[1].Value = "id";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;	
            return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
        }*/

        #endregion  Method

        #region 扩展方法
        public DataSet GetDishTypeBykeyWord(int libraryID,string keyWord)
        { 
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select B.DTID from library_Dish as A join Dish as B on A.DishID=B.id where libraryID=" + libraryID + " and B.Name like '%" + keyWord + "%' group by DTID");
            return DbHelperSQL.Query(strSql.ToString());
        }
        #endregion
    }
}
